Automated 3D Printing Gantry System for Resin Dispensing and Platform Leveling
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Solution Overview
Problem
Existing 3D printing technologies face challenges in achieving full automation due to mechanical system complexity and lack of configurable designs, which limits printing accuracy, yield, and human safety.
Innovation Solution
A fully automated 3D printing device is designed with a gantry system for part translation between different printer stages, utilizing magnetic systems for robust part attachment and sensors for measuring magnetic field strength, verticality, and level, enabling printing parallelism and increased throughput.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If manual operation is used for 3D printing processes, then human safety and control are maintained, but printing accuracy and yield are limited
Solution Approach 1:
The patent replaces manual mechanical operations with an automated robotic system featuring a gantry structure and robotic arm. The robotic arm executes printing actions based on digital models, eliminating manual intervention and improving printing accuracy through consistent, programmable motion control.
Solution Approach 2:
The system incorporates automatic resin dispensing and build platform leveling capabilities that operate autonomously without human intervention. The robotic arm automatically positions and deposits resin layers, and the system self-adjusts platform orientation, enabling fully automated operation.
2Productivity
If full automation is implemented, then printing yield and throughput are improved, but mechanical system complexity increases
Solution Approach 1:
The automated system is divided into distinct functional modules: a gantry structure for support, a robotic arm for printing operations, a resin tank with automatic dispensing, and a build platform with leveling capability. Each module performs a specific function, making the complex automated system more manageable and maintainable through modular design.
Solution Approach 2:
The robotic arm serves multiple functions including positioning, resin dispensing, and layer formation. The gantry structure provides both support and motion guidance. This multi-functionality reduces the number of separate components needed, thereby managing system complexity while maintaining high automation capability.
3Manufacturing precision
If automated resin dispensing is used, then printing consistency is improved, but system complexity increases
Solution Approach 1:
Manual resin dispensing is replaced with an automated robotic arm that precisely controls resin deposition. The robotic system uses digital models to guide dispensing locations and amounts, ensuring consistent layer formation without requiring complex manual skill, thereby improving consistency while keeping the added complexity manageable through software control.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution minimizes human interaction, enhances printing accuracy and yield, and improves safety by automating the printing process, including resin dispensing, building platform leveling, and support structure generation, while allowing for efficient part translation and parallel printing.
Implementation Method 1
utilizing magnetic systems for robust part attachment
Implementation Method 2
sensors for measuring magnetic field strength
Implementation Method 3
The light exposure causes a chemical reaction within the resin, transforming it from liquid to solid
Data Source
AI summary
Aspects relate to a three-dimensional (3D) printing device including a gantry system configured to move a build platform between the different stages of the printing process. The stages may include, for example, printing, washing, and post curing. The gantry system includes a gantry rail and a gantry carriage. The gantry carriage can be removably attached to a build platform on which a printed object is printed and the gantry rail can then move the build platform between at least the printing and washing stages.